body {
    padding: 20px;
}

* {
    padding: 0%;
    margin: 0%;
    list-style-type: none;
}

header,
footer {
    display: flex;
    justify-content: center;
}

.pag {
    background-repeat: no-repeat;
    text-align: center;
    width: 132px;
    height: 33px;
    line-height: 33px;
    font-size: 120%;
}

.pag-center {
    padding: 10px;
    border: 1px solid rgb(171, 201, 239);
    background-color: rgb(246, 249, 253);
}

.pag-center ul li {
    font-size: 80%;
    padding: 6px;
}

.session-right {
    text-align: right;
    position: relative;
}

.overlay-img {
    margin: 20px 40px 20px 20px;
    position: absolute;
    right: 0;
}

.margin {
    margin: 10px;
}

.red {
    margin-left: 10px;
    color: red;
}

ul li {
    display: flex;
    justify-content: space-between;
}

span {
    vertical-align: middle;
}

.section {
    justify-content: space-between;
    display: flex;
}

.section-left {
    flex: 1;
}

.right {
    margin: 20px;
}

.right-pag {
    text-align: center;
    width: 100px;
    height: 33px;
    line-height: 33px;
    font-size: 120%;
    border-radius: 10px 10px 0 0;
    background-color: #e0edfe;
    color: #2772c5;
    border: 1px solid #bdd4f3;
}

.right-content {
    padding: 20px;
    border: 1px solid #bdd4f3;
}

.right-content form div textarea {
    color: black;
    width: 280px;
    height: calc(280px/1.5);
}

input {
    background-color: #1f6dc2;
    padding: 5px 20px 5px 20px;
    border: 0px;
    border-radius: 5px;
    cursor: pointer;
    color: white;
}

#myTextarea {
    position: relative;
    color: rgb(154, 154, 154);
    z-index: 1;
    /* 其他样式属性 */
}